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Herbicides

Chlorphthalim

Also known as Diamate, N-(p-Chlorophenyl)-3,4,5,6-tetrahydrophthalimide, N-(4-chlorophenyl)-3,4,5,6-tetrahydrophthalimide

CAS 39985-63-2Formula C14H12ClNO2Molar mass 261.71 g/mol
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Chlorphthalim chemical structure, C14H12ClNO2, CAS 39985-63-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
39985-63-2
Formula
C14H12ClNO2
Molar mass
261.71 g/mol
HS code
292519
Category
Herbicides

What is Chlorphthalim?

Plain description, key identifiers and synonyms

Chlorphthalim is a member of the class of phthalimides that is 4,5,6,7-tetrahydrophthalimide in which the nitrogen has been substituted by a p-chlorophenyl group. It is used as a herbicide. It has a role as a herbicide and an EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitor. It is a member of maleimides, a member of phthalimides and a member of monochlorobenzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(4-chlorophenyl)-4,5,6,7-tetrahydroisoindole-1,3-dione
CAS number
39985-63-2Other or deprecated CAS: 88402-43-1
Molecular formula
C14H12ClNO2
UNII
R872SD7ETR
InChIKey
MJQBFSWPMMHVSM-UHFFFAOYSA-N
InChI
InChI=1S/C14H12ClNO2/c15-9-5-7-10(8-6-9)16-13(17)11-3-1-2-4-12(11)14(16)18/h5-8H,1-4H2
SMILES (canonical and isomeric)
C1CCC2=C(C1)C(=O)N(C2=O)C3=CC=C(C=C3)Cl

Synonyms

  • Diamate
  • N-(p-Chlorophenyl)-3,4,5,6-tetrahydrophthalimide
  • N-(4-chlorophenyl)-3,4,5,6-tetrahydrophthalimide
  • 4,5,6,7-Tetrahydro-2-(4-chlorophenyl)-1H-isoindole-1,3(2H)-dione
  • 1H-Isoindole-1,3(2H)-dione, 4,5,6,7-tetrahydro-2-(4-chlorophenyl)-
  • N-(4-chlorophenyl)cyclohex-1-ene-1,2-dicarboximide
  • N-(p-chlorophenyl)cyclohex-1-ene-1,2-dicarboximide
  • Chlorindrin
  • 2-(4-Chlorophenyl)-4,5,6,7-tetrahydro-1H-isoindole-1,3(2H)-dione
  • Chlorophthalium
  • chlorophthalim
  • 1H-Isoindole-1,3(2H)-dione, 2-(4-chlorophenyl)-4,5,6,7-tetrahydro-
  • 2-(4-chlorophenyl)-4,5,6,7-tetrahydroisoindole-1,3-dione
  • 3,4,5,6-Tetrahydro-N-(4-chlorophenyl)phthalimide
  • mk-616

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
261.71 g/molcalc.
Exact mass
261.0557 Dacalc.
LogP (octanol/water)
3.08calc.
Topological polar surface area
37.38 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
18calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.29calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C2=C(CCCC2)C(=O)N1c1ccccc1

O=C1C2=C(CCCC2)C(=O)N1c1ccccc1

3 rings, 17 atoms, the 1H-Isoindole-1,3(2H)-dione, 4,5,6,7-tetrahydro-2-phenyl- ring system.

70 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Chlorphthalim suppliers

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Chlorphthalim price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • enzyme inhibitor
  • herbicide
  • pesticide

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Chlorphthalim is traded under.

HS 2925.19Indicative HS code

Imides and their derivatives, salts thereof, other

World exports in 2024
$295M
+11.7% vs 2023, imports $348M
2019 to 2024
Top exporters
  1. China29.7%
  2. Japan22.7%
  3. United Kingdom10.0%
Top importers
  1. United States12.7%
  2. Brazil12.6%
  3. China10.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Chlorphthalim is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Chlorphthalim, based on the data on this page

What is Chlorphthalim?

Chlorphthalim is a member of the class of phthalimides that is 4,5,6,7-tetrahydrophthalimide in which the nitrogen has been substituted by a p-chlorophenyl group. It is used as a herbicide. It has a role as a herbicide and an EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitor.

What is the CAS number of Chlorphthalim?

The CAS registry number of Chlorphthalim is 39985-63-2. Other or deprecated CAS numbers: 88402-43-1.

What is the molecular formula and weight of Chlorphthalim?

The molecular formula of Chlorphthalim is C14H12ClNO2 and its molar mass is 261.71 g/mol.

What is Chlorphthalim used for?

Known uses and roles of Chlorphthalim include herbicides in agriculture and crop protection, enzyme inhibitor, herbicide and pesticide.

Is Chlorphthalim hazardous?

No GHS hazard classification for Chlorphthalim is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Chlorphthalim?

Chlorphthalim is usually classified under HS code 292519 (Imides and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Chlorphthalim?

Post a free request on CompoundList and suppliers of Chlorphthalim will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Chlorphthalim?

Suppliers quote Chlorphthalim on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Chlorphthalim

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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